On Thu, Oct 20, 2016 at 06:44:26AM -0700, Kyle Huey wrote: > rr (http://rr-project.org/), a Linux userspace record-and-replay reverse- > execution debugger, would like to trap and emulate the CPUID instruction. > This would allow us to a) mask away certain hardware features that rr does > not support (e.g. RDRAND) and b) enable trace portability across machines > by providing constant results. Patches for support in the Linux kernel are in > flight, and we'd like to be able to use this feature on virtualized Linux > instances as well. > > Changes since v4: > - Renamed cpuid_fault to cpuid_faulting across the patch. > - Various style nits. > - Added Reviewed-by Kevin Tian. >
Release-acked-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
